* {
  margin: 0;
  padding: 0;
}
:root:root {
  /* tab栏 */
  --van-tabs-nav-background: rgba(0, 0, 0, 0.75);
  --van-tabs-bottom-bar-color: #b69760;
  --van-tab-text-color: #fff;
  --van-tab-active-text-color: #F7D8A2;
  /* 按钮 */
  --van-button-normal-font-size: 30rem;
}